PPG Industries Inc
PPG IndustActive Patents
0
Total Holdings
264
Patent Holdings
Filter in Explorer →| Patent No. | Title | Status | Filing Date | Grant Date | Claims | Actions |
|---|---|---|---|---|---|---|
| DE2715566A1 | Polyurethane free from ether linkages - used for glazing or… | Expired / Lapsed | 1977-04-07 | — | 0 | Details |
| US5003729A | Support system for abrasive jet cutting | Expired / Lapsed | 1988-10-11 | 1991-04-02 | 22 | Details |
| US4748121A | Porous glass fibers with immobilized biochemically active m… | Expired / Lapsed | 1984-11-30 | 1988-05-31 | 10 | Details |
| US4584206A | Chemical vapor deposition of a reflective film on the botto… | Expired / Lapsed | 1984-07-30 | 1986-04-22 | 22 | Details |
| US4558075A | High-solids coating composition for improved rheology contr… | Expired / Lapsed | 1984-03-30 | 1985-12-10 | 10 | Details |
| US4525958A | Method of controlling article speed during edge grinding | Expired / Lapsed | 1984-02-21 | 1985-07-02 | 4 | Details |
| US4467081A | Gelable, silicate rich resins from hydrophobic polyols and … | Expired / Lapsed | 1983-01-31 | 1984-08-21 | 20 | Details |
| US4439558A | Aqueous peroxide emulsion for use with glass fibers | Expired / Lapsed | 1982-02-16 | 1984-03-27 | 6 | Details |
| US4379040A | Method of and apparatus for control of reactive sputtering … | Expired / Lapsed | 1982-02-18 | 1983-04-05 | 16 | Details |
| US4347984A | Electrostatic spray coating apparatus | Expired / Lapsed | 1977-07-12 | 1982-09-07 | 28 | Details |
| US4346197A | Method of polymerizing blends of bis (allyl carbonate) mono… | Expired / Lapsed | 1980-12-22 | 1982-08-24 | 24 | Details |
| US4336119A | Method of and apparatus for control of reactive sputtering … | Expired / Lapsed | 1981-01-29 | 1982-06-22 | 18 | Details |
| US4292347A | Pyrolytic coating reactant for defect and durability control | Expired / Lapsed | 1979-12-03 | 1981-09-29 | 10 | Details |
| US4277535A | Modified phenolic aldehyde resin to produce an improved adh… | Expired / Lapsed | 1979-06-08 | 1981-07-07 | 17 | Details |
| US4248753A | Michael adducts of polymeric materials useful in coating ap… | Expired / Lapsed | 1978-08-28 | 1981-02-03 | 33 | Details |
| US4227979A | Radiation-curable coating compositions containing amide acr… | Expired / Lapsed | 1977-10-05 | 1980-10-14 | 34 | Details |
| US4201649A | Low resistance indium oxide coatings | Expired / Lapsed | 1978-11-29 | 1980-05-06 | 5 | Details |
| US4198331A | Resinous coating compositions curable by Michael adduct exc… | Expired / Lapsed | 1978-08-28 | 1980-04-15 | 16 | Details |
| US4194022A | Transparent, colorless, electrically conductive coating | Expired / Lapsed | 1978-08-21 | 1980-03-18 | 8 | Details |
| US4174241A | Simultaneously laminating and press polishing plastic lamin… | Expired / Lapsed | 1978-07-21 | 1979-11-13 | 12 | Details |
| US4170539A | Diaphragm having zirconium oxide and a hydrophilic fluoroca… | Expired / Lapsed | 1978-10-20 | 1979-10-09 | 12 | Details |
| US4170227A | Apparatus and method for ECG baseline shift detecting | Expired / Lapsed | 1978-06-22 | 1979-10-09 | 8 | Details |
| US4160853A | Catalyst for making polycarbonate diols for use in polycarb… | Expired / Lapsed | 1977-11-29 | 1979-07-10 | 26 | Details |
| US4153776A | Amide-modified urethane acrylate radiation curable compound… | Expired / Lapsed | 1978-03-28 | 1979-05-08 | 46 | Details |
| US4106697A | Spraying device with gas shroud and electrostatic charging … | Expired / Lapsed | 1976-11-16 | 1978-08-15 | 41 | Details |
| US4103070A | Safety glass laminates with aliphatic/cycloaliphatic polyca… | Expired / Lapsed | 1977-02-11 | 1978-07-25 | 4 | Details |
| US4101529A | Hard, optically clear polyurethane articles | Expired / Lapsed | 1976-02-04 | 1978-07-18 | 23 | Details |
| US4100330A | Method for coating glass with silicon and a metal oxide and… | Expired / Lapsed | 1977-03-28 | 1978-07-11 | 10 | Details |
| US4098918A | Method of polymerizing non-linear urethane diacrylates usin… | Expired / Lapsed | 1976-04-21 | 1978-07-04 | 32 | Details |
| US4092846A | Detection of liquid in a gas stream | Expired / Lapsed | 1976-02-04 | 1978-06-06 | 11 | Details |
| US4093673A | Coating compositions composed of hydroxyfunctional polymers… | Expired / Lapsed | 1974-11-14 | 1978-06-06 | 39 | Details |
| US4092290A | In situ curable sealant and methods for making and using sa… | Expired / Lapsed | 1975-05-30 | 1978-05-30 | 28 | Details |
| US4089800A | Method of preparing microcapsules | Expired / Lapsed | 1975-04-04 | 1978-05-16 | 12 | Details |
| US4075141A | Carboxylic acid amide interpolymer-based coating compositio… | Expired / Lapsed | 1975-10-09 | 1978-02-21 | 28 | Details |
| US4066592A | Zwitterion-containing compositions | Expired / Lapsed | 1975-07-25 | 1978-01-03 | 10 | Details |
| US4065415A | Water-based coatings with improved sagging and popping char… | Expired / Lapsed | 1975-10-01 | 1977-12-27 | 15 | Details |
| US4064087A | Method for preparing polymers in aqueous medium | Expired / Lapsed | 1976-01-05 | 1977-12-20 | 15 | Details |
| US4063001A | Method of preparing acid resistant glass fibers | Expired / Lapsed | 1976-05-13 | 1977-12-13 | 13 | Details |
| US4055607A | Acrylic coating compositions | Expired / Lapsed | 1975-08-07 | 1977-10-25 | 19 | Details |
| US4040888A | Apparatus for prepressing transparent laminated assemblies | Expired / Lapsed | 1975-10-01 | 1977-08-09 | 7 | Details |
| US4039719A | Laminated safety glass | Expired / Lapsed | 1975-06-26 | 1977-08-02 | 6 | Details |
| US4028426A | Removal of monochloroacetylene from chlorinated hydrocarbons | Expired / Lapsed | 1975-11-18 | 1977-06-07 | 10 | Details |
| US4024113A | Polycarbonate polyurethanes based on particular aliphatic/c… | Expired / Lapsed | 1976-04-28 | 1977-05-17 | 19 | Details |
| US4007141A | Opaque, non-pigmented microporous film and process and comp… | Expired / Lapsed | 1969-08-21 | 1977-02-08 | 11 | Details |
| US3965057A | Adhesion control for safety glass laminates via polyurethan… | Expired / Lapsed | 1975-02-19 | 1976-06-22 | 20 | Details |
| US3962488A | Electrically conductive coating | Expired / Lapsed | 1974-08-09 | 1976-06-08 | 9 | Details |
| US3937679A | Electrodepositable compositions | Expired / Lapsed | 1972-08-04 | 1976-02-10 | 25 | Details |
| US3933552A | Preparing transparent assemblies for lamination | Expired / Lapsed | 1974-07-10 | 1976-01-20 | 11 | Details |
| US3931591A | Q-switching device for glass lasers | Expired / Lapsed | 1974-01-17 | 1976-01-06 | 2 | Details |
| US3923533A | Thermally stable and crush resistant microporous glass cata… | Expired / Lapsed | 1974-03-01 | 1975-12-02 | 16 | Details |
| US3920595A | High solids alkyd coating compositions | Expired / Lapsed | 1974-04-10 | 1975-11-18 | 21 | Details |
| US3880028A | Method and apparatus for monitoring and controlling glass c… | Expired / Lapsed | 1974-02-25 | 1975-04-29 | 20 | Details |
| US3856499A | Shaping heat-softened glass sheets by roll forming | Expired / Lapsed | 1973-06-20 | 1974-12-24 | 6 | Details |
| US3853721A | Process for electrolysing brine | Expired / Lapsed | 1972-10-24 | 1974-12-10 | 12 | Details |
| US3844749A | High velocity filter | Expired / Lapsed | 1972-06-01 | 1974-10-29 | 5 | Details |
| US3843341A | Method of making thermally stable and crush resistant micro… | Expired / Lapsed | 1972-12-01 | 1974-10-22 | 2 | Details |
| US3808077A | Method for laminating plastic to glass employing glass mold | Expired / Lapsed | 1971-09-16 | 1974-04-30 | 13 | Details |
| US3791914A | Laminated glass articles | Expired / Lapsed | 1972-01-26 | 1974-02-12 | 17 | Details |
| US3770490A | Method of making and coating with high solids cured acrylic… | Expired / Lapsed | 1971-01-05 | 1973-11-06 | 24 | Details |
| US3762902A | Shaping coating and tempering glass | Expired / Lapsed | 1972-04-24 | 1973-10-02 | 25 | Details |
| US3754972A | Phosphate esters and their use as adhesive promoters | Expired / Lapsed | 1971-03-29 | 1973-08-28 | 9 | Details |
| US3725115A | Pressure-sensitive adhesive articles and method of making s… | Expired / Lapsed | 1970-06-18 | 1973-04-03 | 0 | Details |
| US3718449A | Sizing, coating and combined sizing and coating composition… | Expired / Lapsed | 1970-12-01 | 1973-02-27 | 6 | Details |
| US3689462A | Process for preparing polycarbonates | Expired / Lapsed | 1971-05-19 | 1972-09-05 | 0 | Details |
| US3686111A | Non-aqueous polymeric pseudo-dispersion | Expired / Lapsed | 1970-06-22 | 1972-08-22 | 0 | Details |
| US3672939A | Electroless process for forming thin metal films | Expired / Lapsed | 1969-06-02 | 1972-06-27 | 0 | Details |
| US3671291A | Electroless process for forming thin metal films | Expired / Lapsed | 1969-06-02 | 1972-06-20 | 0 | Details |
| US3666710A | Non-aqueous dispersions | Expired / Lapsed | 1969-09-08 | 1972-05-30 | 9 | Details |
| US3661524A | Preparation of titanium carbide | Expired / Lapsed | 1970-04-14 | 1972-05-09 | 13 | Details |
| US3660061A | Coated glass sheet and method for making the same | Expired / Lapsed | 1970-03-05 | 1972-05-02 | 12 | Details |
| US3658737A | Use of coal in electrodepositable compositions | Expired / Lapsed | 1969-06-23 | 1972-04-25 | 0 | Details |
| US3645984A | Novel acrylic monomers their preparation and treatment | Expired / Lapsed | 1969-04-30 | 1972-02-29 | 0 | Details |
| US3625792A | Fabricating glass-plastic windows | Expired / Lapsed | 1970-04-27 | 1971-12-07 | 14 | Details |
| US3543084A | Plasma arc gas heater | Expired / Lapsed | 1968-01-22 | 1970-11-24 | 0 | Details |
| US3531390A | Electrodeposition method | Expired / Lapsed | 1965-03-17 | 1970-09-29 | 0 | Details |
| US3522142A | Glass laminated with silicon-containing polyurethane | Expired / Lapsed | 1965-02-24 | 1970-07-28 | 0 | Details |
| US3509015A | Glass laminated with polyurethane | Expired / Lapsed | 1965-02-24 | 1970-04-28 | 0 | Details |
| US3505160A | Laminated safety glass | Expired / Lapsed | 1965-10-18 | 1970-04-07 | 0 | Details |
| US3484583A | Combination of electrically heated transparent window and a… | Expired / Lapsed | 1968-07-23 | 1969-12-16 | 0 | Details |
| US3484584A | Combination of electrically heated transparent window and a… | Expired / Lapsed | 1968-07-23 | 1969-12-16 | 0 | Details |
| US3483105A | Highly radiation-sensitive telomerized polyamides | Expired / Lapsed | 1966-05-18 | 1969-12-09 | 0 | Details |
| US3483104A | Highly radiation-sensitive telomerized polyamides | Expired / Lapsed | 1966-05-18 | 1969-12-09 | 0 | Details |
| US3471386A | Highly radiation-sensitive telomerized polyamides | Expired / Lapsed | 1966-05-18 | 1969-10-07 | 0 | Details |
| US3464807A | Method for producing surface compression in certain glasses… | Expired / Lapsed | 1968-03-08 | 1969-09-02 | 0 | Details |
| US3459585A | Novel reaction product and use thereof as a glass fiber size | Expired / Lapsed | 1966-12-05 | 1969-08-05 | 0 | Details |
| US3459615A | Process for preparing reinforcing fabric for elastomeric pr… | Expired / Lapsed | 1966-01-26 | 1969-08-05 | 0 | Details |
| US3457138A | Transparent copper coated glass articles and improved elect… | Expired / Lapsed | 1967-05-05 | 1969-07-22 | 0 | Details |
| US3449228A | Aqueous compositions adapted for electrodeposition | Expired / Lapsed | 1965-04-01 | 1969-06-10 | 0 | Details |
| US3448066A | Air-drying unsaturated polyester resins prepared from a pol… | Expired / Lapsed | 1966-11-17 | 1969-06-03 | 0 | Details |
| US3448017A | Vapor-liquid separation method for removing excess amine fr… | Expired / Lapsed | 1966-01-27 | 1969-06-03 | 0 | Details |
| US3409422A | Method and apparatus for forming a compound bend in a glass… | Expired / Lapsed | 1967-08-14 | 1968-11-05 | 0 | Details |
| US3357876A | Method of strengthening a glass article by ion exchange | Expired / Lapsed | 1965-01-19 | 1967-12-12 | 2 | Details |
| US3293201A | Emulsions of curable resinous compositions and a salt of an… | Expired / Lapsed | 1962-03-07 | 1966-12-20 | 4 | Details |
| US3261881A | Coating composition of a carboxylic acid amide polymer and … | Expired / Lapsed | 1965-08-12 | 1966-07-19 | 2 | Details |
| US3248414A | Method of preparing high molecular weight polycarbonates | Expired / Lapsed | 1963-01-16 | 1966-04-26 | 2 | Details |
| US3234062A | Laminating techniques | Expired / Lapsed | 1961-10-23 | 1966-02-08 | 1 | Details |
| US3231634A | Mixture of unsaturated polyester resin and polymer of a con… | Expired / Lapsed | 1961-07-11 | 1966-01-25 | 2 | Details |
| US3202043A | Method and apparatus for photoelectrically inspecting glass | Expired / Lapsed | 1964-10-02 | 1965-08-24 | 2 | Details |
| CA700607A | Process for the preparation of chlorinated aliphatic hydroc… | Expired / Lapsed | — | 1964-12-22 | 0 | Details |
| US3147518A | Panel support | Expired / Lapsed | 1960-01-13 | 1964-09-08 | 2 | Details |
| US3137020A | Rotary brush section | Expired / Lapsed | 1961-05-23 | 1964-06-16 | 2 | Details |
| US3107177A | Method of applying an electroconductive tin oxide film and … | Expired / Lapsed | 1960-01-29 | 1963-10-15 | 2 | Details |
| US3085085A | Method of preparing polyethers of mono and disaccharides | Expired / Lapsed | 1960-05-03 | 1963-04-09 | 2 | Details |
| US3081205A | Safety glass glazing unit | Expired / Lapsed | 1959-06-15 | 1963-03-12 | 2 | Details |
| US3079434A | Method of making water insoluble unsaturated amides | Expired / Lapsed | 1958-11-21 | 1963-02-26 | 2 | Details |
| US3069291A | Primer composition for adhesion of methyl methacrylate lacq… | Expired / Lapsed | 1961-03-29 | 1962-12-18 | 2 | Details |
| US3058729A | Solution mining method | Expired / Lapsed | 1960-01-08 | 1962-10-16 | 2 | Details |
| US3051665A | Method of foaming an admixture of epoxy resin, a chlorofluo… | Expired / Lapsed | 1960-02-02 | 1962-08-28 | 2 | Details |
| US3019136A | Treating glass sheets | Expired / Lapsed | 1958-03-05 | 1962-01-30 | 2 | Details |
| US3008917A | Coating mixture containing diisocyanate modified polyester … | Expired / Lapsed | 1956-08-27 | 1961-11-14 | 2 | Details |
| US3004875A | Coating glass sheets | Expired / Lapsed | 1957-11-22 | 1961-10-17 | 2 | Details |
| US3002937A | Polyester - urethane foam containing synthetic detergent an… | Expired / Lapsed | 1955-01-25 | 1961-10-03 | 1 | Details |
| US2994369A | Nickel plating chemical composition | Expired / Lapsed | 1959-04-02 | 1961-08-01 | 2 | Details |
| US2993029A | Conserving dihydric alcohol in the preparation of polyesters | Expired / Lapsed | 1958-10-03 | 1961-07-18 | 2 | Details |
| US2977292A | Process of treating metal halides | Expired / Lapsed | 1957-07-23 | 1961-03-28 | 2 | Details |
| US2965527A | Pressing of curved laminated glass assemblies | Expired / Lapsed | 1955-08-19 | 1960-12-20 | 2 | Details |
| US2954744A | Movable table propelling and retarding mechanism and mounti… | Expired / Lapsed | 1958-05-21 | 1960-10-04 | 0 | Details |
| US2948645A | Method for pressing laminated glass | Expired / Lapsed | 1955-08-19 | 1960-08-09 | 2 | Details |
| US2940945A | Resinous compositions comprising an aldehyde-modified amide… | Expired / Lapsed | 1957-02-13 | 1960-06-14 | 2 | Details |
| US2940944A | Resinous coating compositions | Expired / Lapsed | 1956-01-19 | 1960-06-14 | 2 | Details |
| US2924485A | Windshield glass | Expired / Lapsed | 1955-08-10 | 1960-02-09 | 0 | Details |
| US2910730A | Filling elongated cavities with polyurethane foams | Expired / Lapsed | 1956-07-05 | 1959-11-03 | 0 | Details |
| US2911386A | Reacting phenylalkoxy siloxanes with higher fatty alcohols | Expired / Lapsed | 1953-10-07 | 1959-11-03 | 2 | Details |
| US2882377A | Electrical resistor metal coatings on refractory materials | Expired / Lapsed | 1951-10-24 | 1959-04-14 | 0 | Details |
| US2870116A | Coating composition comprising a vinyl halide polymer and a… | Expired / Lapsed | 1956-01-19 | 1959-01-20 | 2 | Details |
| US2865896A | Hydroxyacid esters | Expired / Lapsed | 1956-01-05 | 1958-12-23 | 3 | Details |
| US2859199A | Polymerizable mixture of styrene and a polyester reaction p… | Expired / Lapsed | 1953-04-06 | 1958-11-04 | 1 | Details |
| US2820020A | Ethylenically unsaturated urea compounds, method of making … | Expired / Lapsed | 1954-09-13 | 1958-01-14 | 2 | Details |
| US2800983A | Division bar | Expired / Lapsed | 1954-03-29 | 1957-07-30 | 0 | Details |
| US2777044A | Electrical heating device | Expired / Lapsed | 1953-07-08 | 1957-01-08 | 0 | Details |
| US2762726A | Method of producing a metal film on a refractory base | Expired / Lapsed | 1952-03-14 | 1956-09-11 | 2 | Details |
| US2746839A | Method of spinning shaped filaments of plastic materials | Expired / Lapsed | 1953-06-26 | 1956-05-22 | 2 | Details |
| US2745284A | Glass radiometer | Expired / Lapsed | 1952-02-20 | 1956-05-15 | 0 | Details |
| US2725320A | Method of producing bent laminated glass sheets | Expired / Lapsed | 1953-02-05 | 1955-11-29 | 2 | Details |
| US2724658A | Resistor coating method | Expired / Lapsed | 1950-02-16 | 1955-11-22 | 2 | Details |
| US2721157A | Explosion resisting window | Expired / Lapsed | 1953-01-05 | 1955-10-18 | 2 | Details |
| US2714567A | Preliminary pressing of bent laminated glass | Expired / Lapsed | 1952-10-17 | 1955-08-02 | 2 | Details |
| US2692654A | Impingement-strainer combination air filter | Expired / Lapsed | 1953-03-12 | 1954-10-26 | 0 | Details |
| US2689803A | Method of producing a film of uniform electroconductivity o… | Expired / Lapsed | 1951-11-03 | 1954-09-21 | 1 | Details |
| US2684266A | Spacer device for multiple glazed units | Expired / Lapsed | 1952-03-28 | 1954-07-20 | 0 | Details |
| US2683666A | Opalescent ivory-colored glass | Expired / Lapsed | 1951-09-26 | 1954-07-13 | 2 | Details |
| US2677436A | Casing for air filters | Expired / Lapsed | 1952-08-29 | 1954-05-04 | 0 | Details |
| US2673822A | Preliminary pressing of bent laminated glass | Expired / Lapsed | 1951-08-08 | 1954-03-30 | 2 | Details |
| US2669808A | Glass composition | Expired / Lapsed | 1951-09-15 | 1954-02-23 | 2 | Details |
| US2648753A | Transparent conducting films | Expired / Lapsed | 1951-12-15 | 1953-08-11 | 2 | Details |
| US2648754A | Electroconductive article | Expired / Lapsed | 1947-07-22 | 1953-08-11 | 4 | Details |
| US2634245A | Water dispersible alkyd type resins | Expired / Lapsed | 1950-04-27 | 1953-04-07 | 2 | Details |
| US2617741A | Electroconductive article and production thereof | Expired / Lapsed | 1951-12-19 | 1952-11-11 | 1 | Details |
| US2614944A | Method of applying electroconductive films | Expired / Lapsed | 1947-07-22 | 1952-10-21 | 2 | Details |
| US2592601A | Transparent electroconductive article and method for produc… | Expired / Lapsed | 1948-02-05 | 1952-04-15 | 2 | Details |
| US2576408A | Rotary brush | Expired / Lapsed | 1945-04-05 | 1951-11-27 | 0 | Details |
| US2570245A | Method of spraying transparent coatings | Expired / Lapsed | 1948-04-02 | 1951-10-09 | 1 | Details |
| US2569773A | Electroconductive article | Expired / Lapsed | 1948-11-20 | 1951-10-02 | 0 | Details |
| US2559969A | Method of applying a masking composition to a glass base | Expired / Lapsed | 1950-02-16 | 1951-07-10 | 2 | Details |
| US2557983A | Transparent electroconductive article | Expired / Lapsed | 1949-03-22 | 1951-06-26 | 0 | Details |
| US2520502A | Method of making synthetic brush bristles | Expired / Lapsed | 1948-06-30 | 1950-08-29 | 1 | Details |
| US2509362A | Emergency closure structure | Expired / Lapsed | 1946-12-27 | 1950-05-30 | 0 | Details |
| US2508799A | Paintbrush and synthetic bristles for the same | Expired / Lapsed | 1944-12-28 | 1950-05-23 | 2 | Details |
| US2475682A | Store front mounting | Expired / Lapsed | 1945-05-26 | 1949-07-12 | 0 | Details |
| US2470509A | Method of making heated window glass | Expired / Lapsed | 1945-05-02 | 1949-05-17 | 0 | Details |
| US2455818A | Glare reducing rear-vision mirror | Expired / Lapsed | 1945-03-06 | 1948-12-07 | 0 | Details |
| US2445691A | Preparation of titanium dioxide | Expired / Lapsed | 1944-05-24 | 1948-07-20 | 0 | Details |
| US2441298A | Unsaturated esters | Expired / Lapsed | 1944-03-29 | 1948-05-11 | 0 | Details |
| US2421876A | Copolymer of styrene and a polyester of endomethylene tetra… | Expired / Lapsed | 1943-12-03 | 1947-06-10 | 0 | Details |
| US2420720A | Method of preparing coated compositions | Expired / Lapsed | 1943-07-31 | 1947-05-20 | 0 | Details |
| US2408718A | High capillarity bristle | Expired / Lapsed | 1944-06-01 | 1946-10-01 | 0 | Details |
| US2404836A | Modified alkyd type resins | Expired / Lapsed | 1943-01-15 | 1946-07-30 | 0 | Details |
| US2401552A | Window construction | Expired / Lapsed | 1943-06-02 | 1946-06-04 | 0 | Details |
| US2401582A | Manufacturing of cellulated bodies | Expired / Lapsed | 1943-04-30 | 1946-06-04 | 0 | Details |
| US2401581A | Unsaturated esters and polymers thereof | Expired / Lapsed | 1942-11-25 | 1946-06-04 | 0 | Details |
| US2394642A | Silicic acid esters | Expired / Lapsed | 1942-11-25 | 1946-02-12 | 0 | Details |
| US2394592A | Unsaturated derivatives of carbamic acid | Expired / Lapsed | 1942-06-25 | 1946-02-12 | 0 | Details |
| US2392578A | Method of forming rigid sheets of polymerized unsaturated c… | Expired / Lapsed | 1941-06-16 | 1946-01-08 | 0 | Details |
| US2390551A | Unsaturated ester-amides | Expired / Lapsed | 1943-07-10 | 1945-12-11 | 0 | Details |
| US2387886A | Forming glass sheets | Expired / Lapsed | 1943-01-22 | 1945-10-30 | 0 | Details |
| US2387933A | Unsaturated esters and polymers thereof | Expired / Lapsed | 1941-11-06 | 1945-10-30 | 0 | Details |
| US2385931A | Unsaturated esters and polymers thereof | Expired / Lapsed | 1941-12-27 | 1945-10-02 | 0 | Details |
| US2379263A | Apparatus for determining the flatness of glass plates | Expired / Lapsed | 1943-11-19 | 1945-06-26 | 0 | Details |
| US2379248A | Method of preparing curved sheets of polymeric material | Expired / Lapsed | 1942-05-29 | 1945-06-26 | 0 | Details |
| US2377062A | Fortification of glass surfaces | Expired / Lapsed | 1943-02-27 | 1945-05-29 | 0 | Details |
| US2374744A | Apparatus and process for tapering artificial filaments | Expired / Lapsed | 1942-09-22 | 1945-05-01 | 0 | Details |
| US2370588A | Organic percarbonates | Expired / Lapsed | 1942-10-22 | 1945-02-27 | 0 | Details |
| US2370574A | Unsaturated esters and polymers thereof | Expired / Lapsed | 1941-12-27 | 1945-02-27 | 0 | Details |
| US2370578A | Method of polymerizing unsaturated compounds | Expired / Lapsed | 1941-07-05 | 1945-02-27 | 0 | Details |
| US2370562A | Method of preparing a coated resin product | Expired / Lapsed | 1941-05-06 | 1945-02-27 | 0 | Details |
| US2370565A | Polybasic acid-polyhydric alcohol esters and polymers there… | Expired / Lapsed | 1940-10-15 | 1945-02-27 | 0 | Details |
| US2361049A | Glass cutter | Expired / Lapsed | 1942-10-01 | 1944-10-24 | 0 | Details |
| US2359163A | Structure for glazing units | Expired / Lapsed | 1942-03-19 | 1944-09-26 | 0 | Details |
| US2359103A | Plasticization of resinous compositions | Expired / Lapsed | 1941-09-12 | 1944-09-26 | 0 | Details |
| US2356841A | Filament cutting apparatus | Expired / Lapsed | 1943-08-19 | 1944-08-29 | 0 | Details |
| US2356896A | Preparation of powders from plastic materials | Expired / Lapsed | 1940-03-22 | 1944-08-29 | 0 | Details |
| US2349752A | Treatment of allyl type halides | Expired / Lapsed | 1940-11-22 | 1944-05-23 | 0 | Details |
| US2348704A | Treatment of glass surfaces | Expired / Lapsed | 1940-09-21 | 1944-05-16 | 0 | Details |
| US2345191A | Treatment of pigments | Expired / Lapsed | 1942-04-09 | 1944-03-28 | 0 | Details |
| US2340483A | Tray | Expired / Lapsed | 1942-03-19 | 1944-02-01 | 0 | Details |
| US2337460A | Formation of thin films upon glass surfaces | Expired / Lapsed | 1942-02-25 | 1943-12-21 | 0 | Details |
| US2335376A | Process of manufacturing multiple glazed units | Expired / Lapsed | 1941-02-27 | 1943-11-30 | 0 | Details |
| US2335390A | Contour exploring instrument | Expired / Lapsed | 1940-08-03 | 1943-11-30 | 0 | Details |
| US2332460A | Polymerized esters of polymeric unsaturated alcohols and me… | Expired / Lapsed | 1939-08-10 | 1943-10-19 | 0 | Details |
| US2322582A | Laminated glass | Expired / Lapsed | 1940-06-14 | 1943-06-22 | 0 | Details |
| US2322310A | Transparent barrier for vehicles | Expired / Lapsed | 1940-02-08 | 1943-06-22 | 0 | Details |
| US2320533A | Artificial glass | Expired / Lapsed | 1940-02-08 | 1943-06-01 | 0 | Details |
| US2320536A | Method of coating | Expired / Lapsed | 1939-12-19 | 1943-06-01 | 0 | Details |
| US2318959A | Artificial glass | Expired / Lapsed | 1940-04-04 | 1943-05-11 | 0 | Details |
| US2317891A | Waterproof adhesive composition | Expired / Lapsed | 1939-06-09 | 1943-04-27 | 0 | Details |
| US2310442A | Cellular slab | Expired / Lapsed | 1939-03-24 | 1943-02-09 | 0 | Details |
| US2306310A | Method of making cellular glass blocks | Expired / Lapsed | 1941-05-01 | 1942-12-22 | 0 | Details |
| US2306314A | Manufacture of laminated glass | Expired / Lapsed | 1940-12-05 | 1942-12-22 | 0 | Details |
| US2306184A | Production of titanium tetrahalides | Expired / Lapsed | 1940-02-16 | 1942-12-22 | 0 | Details |
| US2306139A | Polymerization of unsaturated alcohol esters of crotonic ac… | Expired / Lapsed | 1939-02-18 | 1942-12-22 | 0 | Details |
| US2300506A | Window construction | Expired / Lapsed | 1940-11-05 | 1942-11-03 | 0 | Details |
| US2300495A | Mounting of specimens and the like | Expired / Lapsed | 1939-06-13 | 1942-11-03 | 0 | Details |
| US2297346A | Measuring instrument | Expired / Lapsed | 1940-08-03 | 1942-09-29 | 0 | Details |
| US2296823A | Preparation of unsaturated alcohol esters | Expired / Lapsed | 1940-01-27 | 1942-09-22 | 0 | Details |
| US2288465A | Multiglazed window and light screen therefor | Expired / Lapsed | 1940-10-31 | 1942-06-30 | 0 | Details |
| US2281071A | Window construction | Expired / Lapsed | 1939-03-24 | 1942-04-28 | 0 | Details |
| US2278273A | Glass cutting apparatus | Expired / Lapsed | 1941-06-19 | 1942-03-31 | 0 | Details |
| US2275467A | Preparation of unsaturated alcohol esters | Expired / Lapsed | 1940-01-27 | 1942-03-10 | 0 | Details |
| US2274706A | Process of making a light polarizing medium | Expired / Lapsed | 1939-04-11 | 1942-03-03 | 0 | Details |
| US2273891A | Method of polymerizing polymerizable materials containing m… | Expired / Lapsed | 1939-02-18 | 1942-02-24 | 0 | Details |
| US2268269A | Store front construction | Expired / Lapsed | 1939-02-03 | 1941-12-30 | 0 | Details |
| US2264183A | Ornamental tile and process of manufacture thereof | Expired / Lapsed | 1938-11-01 | 1941-11-25 | 0 | Details |
| US2261035A | Pressure relief diaphragm | Expired / Lapsed | 1938-11-10 | 1941-10-28 | 0 | Details |
| US2254072A | Printing process | Expired / Lapsed | 1939-10-05 | 1941-08-26 | 0 | Details |
| US2254062A | Polish meter | Expired / Lapsed | 1938-03-31 | 1941-08-26 | 0 | Details |
| US2248714A | Method of treating colored glass sheets | Expired / Lapsed | 1937-12-18 | 1941-07-08 | 0 | Details |
| US2239528A | Multiglazed window and light screen therefor | Expired / Lapsed | 1939-01-26 | 1941-04-22 | 0 | Details |
| US2237042A | Method and batch for making colored glass | Expired / Lapsed | 1938-04-23 | 1941-04-01 | 0 | Details |
| US2233622A | Decorative glass and method of producing the same | Expired / Lapsed | 1938-04-14 | 1941-03-04 | 0 | Details |
| US2233608A | Cellular glass and process of manufacture thereof | Expired / Lapsed | 1937-12-28 | 1941-03-04 | 0 | Details |
| US2230348A | Wall construction | Expired / Lapsed | 1938-06-17 | 1941-02-04 | 0 | Details |
| US2223118A | Absorptive glass | Expired / Lapsed | 1938-03-25 | 1940-11-26 | 0 | Details |
| US2215211A | Polish meter | Expired / Lapsed | 1937-12-22 | 1940-09-17 | 0 | Details |
| US2209527A | Protective system | Expired / Lapsed | 1938-06-04 | 1940-07-30 | 0 | Details |
| US2205534A | Composite cellular glass block | Expired / Lapsed | 1938-06-04 | 1940-06-25 | 0 | Details |
| US2205522A | Double glazing unit | Expired / Lapsed | 1937-12-15 | 1940-06-25 | 0 | Details |
| US2202690A | Safety glass | Expired / Lapsed | 1938-07-07 | 1940-05-28 | 0 | Details |
| US2184876A | Safety glass | Expired / Lapsed | 1936-06-03 | 1939-12-26 | 0 | Details |
| US2176997A | Interlayer for safety glass and method of making the same | Expired / Lapsed | 1936-07-28 | 1939-10-24 | 0 | Details |
| US2162027A | Plasticization of cellulose ethers | Expired / Lapsed | 1937-08-31 | 1939-06-13 | 0 | Details |
| US2125387A | Protective coating | Expired / Lapsed | 1936-10-02 | 1938-08-02 | 0 | Details |
| US2122453A | Double glazing unit | Expired / Lapsed | 1936-05-26 | 1938-07-05 | 0 | Details |
| US2111395A | Resin film for coating barrels and similar articles | Expired / Lapsed | 1934-08-28 | 1938-03-15 | 0 | Details |
| US2079715A | Process and batch for making ceramic bodies | Expired / Lapsed | 1933-05-09 | 1937-05-11 | 0 | Details |
| US2062747A | Double glazed window | Expired / Lapsed | 1935-10-05 | 1936-12-01 | 0 | Details |
| US2057823A | Double window construction | Expired / Lapsed | 1935-10-05 | 1936-10-20 | 0 | Details |
| US2054864A | Apparatus for laminating glass | Expired / Lapsed | 1934-02-19 | 1936-09-22 | 0 | Details |
| US2042819A | Apparatus for cracking scored glass sheets | Expired / Lapsed | 1933-10-06 | 1936-06-02 | 0 | Details |
| US2032016A | Level indicating apparatus | Expired / Lapsed | 1933-05-22 | 1936-02-25 | 0 | Details |
| US2028908A | Polyhydric alcohol-polybasic acidmonobasic aliphatic acid a… | Expired / Lapsed | 1929-06-26 | 1936-01-28 | 0 | Details |
| US2021179A | Double window construction | Expired / Lapsed | 1935-01-10 | 1935-11-19 | 0 | Details |
| US1934802A | Moving picture screen and method of making it | Expired / Lapsed | 1930-02-11 | 1933-11-14 | 0 | Details |
| US1740989A | Apparatus for making composite glass | Expired / Lapsed | 1928-02-06 | 1929-12-24 | 0 | Details |
| US1734379A | Apparatus for making composite glass | Expired / Lapsed | 1928-02-20 | 1929-11-05 | 0 | Details |
| US1732022A | Process and apparatus for making composite glass | Expired / Lapsed | 1928-02-06 | 1929-10-15 | 0 | Details |
| US1732023A | Process and apparatus for making composite glass | Expired / Lapsed | 1928-02-06 | 1929-10-15 | 0 | Details |
| US1724677A | Edge-rounding machine | Expired / Lapsed | 1928-03-30 | 1929-08-13 | 0 | Details |
| US1559790A | Pneumatic paintbrush | Expired / Lapsed | 1923-12-05 | 1925-11-03 | 0 | Details |
| US1536919A | Absorption glass and method of making it | Expired / Lapsed | 1922-11-15 | 1925-05-05 | 0 | Details |
| US1503543A | Glass-thickness gauge | Expired / Lapsed | 1923-08-07 | 1924-08-05 | 0 | Details |
| US1475650A | Glass-melting pot | Expired / Lapsed | 1921-05-25 | 1923-11-27 | 0 | Details |
| US1434860A | Mirror construction | Expired / Lapsed | 1921-10-06 | 1922-11-07 | 0 | Details |
| US1223583A | Alarm-glass. | Expired / Lapsed | 1915-03-30 | 1917-04-24 | 0 | Details |
| US1136362A | Method of drawing glass. | Expired / Lapsed | 1912-06-28 | 1915-04-20 | 0 | Details |